ISRC CZA165800023
Verified recording
CZA165800023 is “O To Se Nestarej” by Josef Zíma,
registered on the CopyrightChains blockchain with CopyrightID
0x33097349b1acd34e6f1af2786aa205d71a1a2d8384f78e0f76e542fba98da8b4 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA165800023.
Recording identifiers
- ISRC
- CZA165800023
- Title
- O To Se Nestarej
- Artist
- Josef Zíma
- CopyrightID (CopyrightChains transaction hash)
0x33097349b1acd34e6f1af2786aa205d71a1a2d8384f78e0f76e542fba98da8b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:57ec1f6de93e3ea093d1dec7a6e0edac101c165ed0e9b5779911422c893be10e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA165800023
- Bitcoin block existence check
- https://blockstream.info/api/block/960344